1. A image-processing software made by Adobe, Inc., and
used for final processing of astronomical images. Although Photoshop is
a general-purpose image-processing package, intended for any kind of
image data (including astronomical images), it is extremely powerful and
offers many advanced image-processing functions. Photoshop is considered
the de facto standard for image processing of virtually any kind of
image data. It can be used, typically, to improve the contrast,
brightness, and color present in an astronomical image. Photoshop also
contains many advanced image-data functions, such as filters, that can
alter the image data, (hopefully) improving its appearance in the final
image. It also has advanced workflow capabilities for those who wish to
use them. Because of its power, Photoshop is often the software of
choice for final image processing of astronomical images.

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